Home / 11,342.40-17,013.60-10,190.40

Finding the Fourth Proportional to 11,342.40, 17,013.60 and 10,190.40

Calculator

Solution

The fourth proportional to 11,342.40, 17,013.60 and 10,190.40 is: 15,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.40 : 17,013.60 = 10,190.40 : x
  2. Step 2: Convert to fraction form
    11,342.40/17,013.60 = 10,190.40/x
  3. Step 3: Cross multiply
    11,342.40x = 17,013.60 × 10,190.40
  4. Step 4: Simplify right side
    11,342.40x = 173,375,389.44
  5. Step 5: Solve for x
    x = 173,375,389.44/11,342.40
  6. Step 6: Final answer
    x = 15,285.60

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.